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Posted at 5:00 AM ET, 03/ 4/2011

Forecast: Fine Friday before wet weekend

By Camden Walker

Saturday p.m.-Sunday evening rains could add up to 1"

Today's Daily Digit
A somewhat subjective rating of the
day's weather, on a scale of 0 to 10.


Breeze accompanies our upper 40s to low 50s but enjoy some sun before even more clouds & rain this weekend!
Get the 'Digit' on Twitter


Today: Sunshine battles clouds. Upper 40s to low 50s. | Tonight: Slowly increasing clouds. 34-43. | Tomorrow: Becoming overcast, evening showers? Mid-50s to near 60. | Sunday: Rain & thundershowers. Mid-50s. | A Look Ahead | Get Express Forecast by E-mail


March will first give us a fairly seasonable "average" temperature day with typical March breezes, then Saturday we head into more clouds and greater chances for more intense rains on what looks like a wet Sunday. We could use the (potential) inch+ of rain! To compensate us for a wet weekend: fairly mild temperatures in the 50s, perhaps 60s for a few on Saturday. It is a cold front (and a storm forming along it) that moves through Sunday night which shifts winds to give us a Monday & Tuesday with more sunshine and nearly average temperatures in the low-to-mid 50s. Light at the end of the tunnel?

Snow Potential Index: 0 (→) - Nothing to mention, but we won't quit looking for flakes with you snow lovers... for a while, at least.

The SPI is a daily assessment of the potential for accumulating snow for the next week on a 0-10 scale. Get the 'SPI' on Twitter

Temperatures: Latest D.C. area temperature map powered by iMapWeather (base map by Google). Click and hold on map to pan. Double-click to zoom. Refresh page to update. See larger map on our Weather Wall.

Today (Friday): It might be a bit chilly still today, with 10-20 mph gusts of wind from the southeastern direction for the most part. Hopefully during the sun's battle with a mixture of clouds, it can manage to warm us up. But if it remains filtered, upper 40s to low 50s won't feel so ideal for your Friday lunch in the park. We are slowly getting into spring though -- have faith! Confidence: High

Tonight: We'll see slowly increasing clouds and further slackening of breezes. Evening plans may require a coat while temperatures hover in the 40s. Low 40s might be the lowest we see downtown, perhaps colder mid-30s out in Winchester, Manassas, or Frederick. Also consider taking David's suggestion to check out this evening's moon. Confidence: Medium-High

How much will outdoor plans get rained-out this weekend? Keep reading...

Tomorrow (Saturday): I think this is a salvageable morning, but skies head overcast conditions fairly quickly. Take a rain jacket or umbrella if/when heading out during the afternoon, because there is a 20-30% chance of showers by evening. Luckily they should be few and far-between. More mild southerly breezes will blow, but add a slight chill to temperatures. Mid-50s might be all we get if skies become --and stay-- overcast in the morning hours; but, more likely, some spots could have peeks of sun warming them near 60. Confidence: Medium

Tomorrow night: We might start washing some of that pollen out of the air with light showers (40-50% chance) into the evening and overnight. Temperatures stay mild for the most part -- even with a slight breeze considered -- in the mid 40s to near 50. Confidence: Low-Medium

Sunday: This is a day you might want to play board games inside. Showers, even moderate & steady rain at times, in addition to potential thundershowers - rule the day. There's a chance that these showers and periodic rains add up to an inch for our area -- good for gardeners & farmers! High temperatures, with rain and clouds, may stay more subdued than Saturday -- in the mid-to-upper 50s. 60 degrees is possible south of town, if south winds are persistent. Confidence: Medium


If driving home, Sunday night might be easier than daytime Sunday because showers begin to break up and diminish by evening. As it appears now, the cold front and low pressure moving away along it bring cooler north winds and dry out the roads and sidewalks for us by about sunrise. Lows in the low-to-mid 30s, which is more uniform than usual because of winds mixing the atmosphere. Confidence: Low-Medium

Monday & Tuesday should be fairly similar. Sunshine makes its appearance both days. Near average temperatures appear to be on tap, in the low 50s Monday up to, perhaps, upper 50s Tuesday should the airmass modify over our region. It might be a more pleasant spring-like set of days, moreso than today! Not too much to complain about, except heading back into the workweek, right? Confidence: Low

By Camden Walker  | March 4, 2011; 5:00 AM ET
Categories:  Forecasts  
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The direct link to CWG from the Website's home page has been missing for several days. You folks are very hard to get to now! To my way of thinking, CWG is consistently the best feature the Post has to offer, so making you unfindable (without going through several screens) ain't a great idea. Hope you can get this fixed soon!

Posted by: ChevyChase3 | March 4, 2011 5:12 AM | Report abuse

Hey guys, how about taking down the snow potential box, and replacing it with something more seasonal like a beautiful warm day or something?

Posted by: jaybird926 | March 4, 2011 5:18 AM | Report abuse

maby a nice sunset icon to:)

Posted by: snowlover31 | March 4, 2011 6:34 AM | Report abuse

Has anyone else noticed that on the NWS weather models page, it says, "This site is scheduled to be decommissioned
on April 5th 2011."

I tried clicking on the link they provided to the replacement site, but it was complicated and I couldn't figure out how to use it.

CWG, if I can no longer access the models from the NWS, where is a good site on which I can find them?

Posted by: BobMiller2 | March 4, 2011 7:26 AM | Report abuse

Seems fairly seasonable for March. I'll take it. A rainy Sunday will give me a chance to do some indoor projects.

Don't mind rainy weekends in early spring if it sets us up for some sunny ones when it gets warmer.

Posted by: ThinkSpring | March 4, 2011 7:35 AM | Report abuse

Why would you try to get here from wapo's main site? That's all you need to know. ;)

Posted by: megamuphen | March 4, 2011 7:51 AM | Report abuse

@Bobmiller2, that's correct, they're ending the text link updates, and transitioning to the digital experimental page:

Posted by: josh28 | March 4, 2011 8:04 AM | Report abuse

skin cancer index?

immune system assault index?

electrocution index?

power outage index?

flooding index?

pulmonary toxin index?

heatstroke index?

drowning index?

just kidding... i love t-storms and extreme summer weather too.

i did see that about the models. i prefer the old format too, but the new page issues images for every 3 hours (but precip amts are still 6 hourly - which could be extremely confusing). i do like how the new images have the state outlines darker - easier to find dc if it's under some dark precip colors. i particularly don't like how the various "hours" are only accessible from that drop-down menu. the table format was much better.

Posted by: walter-in-fallschurch | March 4, 2011 8:08 AM | Report abuse

HPC experimental site now showing chance of snow for NW suburbs:

Posted by: spgass1 | March 4, 2011 8:25 AM | Report abuse

I'd also like to see the link to CWG from the WaPo home page get restored. I'd vote to have the SPI replaced with a "nice day sun" potential index.

Posted by: alrob8 | March 4, 2011 8:29 AM | Report abuse

CWG - I'm signed up to run a 5K on Sunday morning at 9 am. Right now, does it look like the heaviest rain will hold off until later in the morning, or is it more likely that we will get completely drenched?

Posted by: edmarlington | March 4, 2011 9:42 AM | Report abuse

@chevychase3 and @alrob8

I'm trying to figure out which link you're talking about. Do you default to the Post's National or Local ( page when you load There is definitely a link to us at (which is the default for some folks). Was there a link on the National page before? Where on the page was it? Thanks for your feedback. Also, it is true there are several easy URLs to find us:,, will all work.

Posted by: Jason-CapitalWeatherGang | March 4, 2011 10:04 AM | Report abuse


There are still some big uncertainties about the timing, but late morning into the afternoon the steadier rain is more likely than early in the morning. One model even holds off the heavy rain until late Sunday afternoon and Sunday night. Check back later today and tomorrow when we'll have better info on timing.

Posted by: Jason-CapitalWeatherGang | March 4, 2011 10:09 AM | Report abuse

@jaybird926 et al.

We were thinking we'd kill the SPI around March 15, and bring it back if any snow threatened thereafter on a temporary basis. We'll think about some sort of nice day potential index.

Posted by: Jason-CapitalWeatherGang | March 4, 2011 10:15 AM | Report abuse

My preference would be to keep the SPI around a bit longer... this site shows that DC got 0.5" snow on Apr 28, 1898.

Posted by: spgass1 | March 4, 2011 10:32 AM | Report abuse

Regarding the link from the WaPo home page: I use the National home page.

There is(usually) a box in the rightmost column, under the "Most Read" box. When it appears, it has links for Weather and Traffic; the link for CWG is under Weather. Unfortunately, the entire box is sometimes there, sometimes not, for no apparent reason. If it's not present, refreshing the home page will sometimes make it appar.

Posted by: rlguenther | March 4, 2011 10:36 AM | Report abuse

I don't know which of the editions I'm on when I sign onto, but whichever one it is (there's nary a hint on the home page), there was a direct link to your blog from the home page until just a few days ago. The Post is being kind of foolish, because if I go to your blog from the home page, I'm also setting some eyes on whichever ads are running on the main site.

Posted by: ChevyChase3 | March 4, 2011 10:42 AM | Report abuse

My vote would be to turn the SPI into an RPI for rain (with a little lightning bolt or two for more intense weather)for us gardeners. We already have the daily digit for you lovers of sunny weather. But if you go that route anyway, I'd vote for Walters "skin cancer index"...seeing as I just had to have one of those nasty things removed this past week...

Posted by: ftwash | March 4, 2011 11:26 AM | Report abuse

yikes! hope that went well.

i agree that we already have the daily digit and the "nice day" stamp (both of which seem to me to be skewed toward mild sunny weather - imo snow makes a day good too!) for regular sunny days. if we're looking for an "index" comparable to the SPI, but for summer, it should be the "TPI" - thunderstorm potential index.

a thunderstorm is as characteristically "summer" as snow "winter".

Posted by: walter-in-fallschurch | March 4, 2011 11:51 AM | Report abuse


Thanks for the feedback on indices. We'll take under consideration.

re: links to CWG

I think the link is just temporarily hidden in the current layout and should come back .

Posted by: Jason-CapitalWeatherGang | March 4, 2011 1:07 PM | Report abuse

Thanks Walter, all went fine. I wish I could enjoy the sun like most others do. It's uncomfortable and a bit embarrassing dressing somewhat like a bee keeper just to work in the yard on a pretty saturday afternoon!

Posted by: ftwash | March 4, 2011 2:29 PM | Report abuse

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